{"id":11694,"date":"2023-11-28T22:30:45","date_gmt":"2023-11-28T14:30:45","guid":{"rendered":"https:\/\/wx.kaifamiao.info\/?p=11694"},"modified":"2023-11-30T18:45:59","modified_gmt":"2023-11-30T10:45:59","slug":"javascript-zhong-chu-le-javascriptonp-hai-you-shen","status":"publish","type":"post","link":"http:\/\/wx.kaifamiao.info\/index.php\/2023\/11\/28\/javascript-zhong-chu-le-javascriptonp-hai-you-shen\/","title":{"rendered":"JavaScript \u4e2d\u9664\u4e86 JavaScriptonp \u8fd8\u6709\u4ec0\u4e48\u8de8\u57df\u65b9\u5f0f\uff1f"},"content":{"rendered":"

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    CORS\uff08Cross-Origin Resource Sharing\uff09\uff1a<\/strong> CORS \u662f\u4e00\u79cd\u7531\u670d\u52a1\u5668\u7aef\u5b9e\u73b0\u7684\u8de8\u57df\u89e3\u51b3\u65b9\u6848\u3002\u5b83\u901a\u8fc7\u5728\u54cd\u5e94\u5934\u4e2d\u6dfb\u52a0\u7279\u5b9a\u7684\u5934\u90e8\u4fe1\u606f\u6765\u5141\u8bb8\u8de8\u57df\u8bf7\u6c42\u3002\u5f53\u6d4f\u89c8\u5668\u53d1\u9001\u8de8\u57df\u8bf7\u6c42\u65f6\uff0c\u670d\u52a1\u5668\u7aef\u53ef\u4ee5\u901a\u8fc7\u8bbe\u7f6e\u7279\u5b9a\u7684 CORS \u5934\u90e8\uff08\u5982 Access-Control-Allow-Origin<\/code>\uff09\u6765\u63a7\u5236\u662f\u5426\u5141\u8bb8\u8be5\u8de8\u57df\u8bf7\u6c42\u3002<\/p>\n<\/li>\n

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    WebSocket\uff1a<\/strong> WebSocket \u662f\u4e00\u79cd\u5168\u53cc\u5de5\u7684\u901a\u4fe1\u534f\u8bae\uff0c\u5b83\u5141\u8bb8\u5728\u5355\u4e2a TCP \u8fde\u63a5\u4e0a\u8fdb\u884c\u8de8\u57df\u901a\u4fe1\u3002\u7531\u4e8e\u5b83\u662f\u901a\u8fc7 HTTP \u534f\u8bae\u8fdb\u884c\u63e1\u624b\uff0c\u7136\u540e\u5347\u7ea7\u5230 WebSocket\uff0c\u56e0\u6b64\u53ef\u4ee5\u8de8\u8d8a\u4e0d\u540c\u6e90\u7684\u9650\u5236\u3002<\/p>\n<\/li>\n

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    \u4ee3\u7406\u670d\u52a1\u5668\uff08Proxy\uff09\uff1a<\/strong> \u5728\u670d\u52a1\u5668\u7aef\u8bbe\u7f6e\u4ee3\u7406\uff0c\u5c06\u6765\u81ea\u4e0d\u540c\u6e90\u7684\u8bf7\u6c42\u8f6c\u53d1\u5230\u5408\u9002\u7684\u5730\u65b9\u3002\u524d\u7aef\u4ee3\u7801\u5411\u540c\u6e90\u4ee3\u7406\u53d1\u51fa\u8bf7\u6c42\uff0c\u4ee3\u7406\u670d\u52a1\u5668\u518d\u8f6c\u53d1\u5230\u76ee\u6807\u670d\u52a1\u5668\uff0c\u5e76\u5c06\u54cd\u5e94\u8fd4\u56de\u7ed9\u524d\u7aef\u3002<\/p>\n<\/li>\n

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    \u8de8\u6587\u6863\u6d88\u606f\uff08Cross-document Messaging\uff09\uff1a<\/strong> \u53ef\u4ee5\u901a\u8fc7\u5728\u4e0d\u540c\u7684 iframe \u6216\u7a97\u53e3\u95f4\u53d1\u9001\u6d88\u606f\u6765\u8fdb\u884c\u8de8\u57df\u901a\u4fe1\uff0c\u540c\u6837\u4f7f\u7528 postMessage<\/code> \u65b9\u6cd5\u3002<\/p>\n<\/li>\n<\/ol>\n

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